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  • GROCO 2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-2000-WS]

    GROCO GROCO 2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-2000-WS]

    2" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" UL Listed 647B BSPP and Stainless Steel models available Specifications: Hose Size: 2" Material: Stainless Steel Box Dimensions: 5"H x 6"W x 6"L WT: 2 lbs UPC: 742985146501

    $94.00 $61.99

  • GROCO 1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1500-W]

    GROCO GROCO 1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1500-W]

    1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 1-1/2" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 1.3 lbs UPC: 742985143258

    $90.00 $58.99

  • GROCO 2" Bronze Combo Scoop Thru-Hull w/Nut [STH-2000-W]

    GROCO GROCO 2" Bronze Combo Scoop Thru-Hull w/Nut [STH-2000-W]

    2" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600 Bronze Specifications:Thread NPS: 2" Specifications: Hose Size: 2" Material: Bronze Box Dimensions: 5"H x 6"W x 7"L WT: 3.3 lbs UPC: 742985101739

    $166.00 $108.99

  • Perko 5/8" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4A]

    Perko Perko 5/8" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4A]

    Perko 5/8" Thru-Hull Fitting f/ Hose Plastic Molded White Plastic Broad FlangeTechnical Information: Hose Size Inches: 5/8 Mounting Hole Diameter Inches: 13/16 Maximum Hull Thickness Inches: 1-1/4 O.D. Flange Inches: 1-1/2 Model Number: 0328DP4A Ship Weight: 1.0/6.1 lbs. MADE IN THE USA Specifications: Hose Size: 5/8" Material: Plastic Box Dimensions: 1"H x 1"W x 3"L WT: 0.1 lbs UPC: 085226000065

    $17.57 $5.99

  • GROCO 1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1500-WS]

    GROCO GROCO 1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1500-WS]

    1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" UL Listed 647B BSPP and Stainless Steel models available Specifications: Material: Stainless Steel Hose Size: 1-1/2" Box Dimensions: 5"H x 5"W x 5"L WT: 1.45 lbs UPC: 742985146495

    $70.00 $45.99

  • GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W]

    GROCO GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W]

    1/2" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Available with (-W) or without nut (-L) BSPP and Stainless Steel models available Specifications: Hose Size: 1/2" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 0.45 lbs UPC: 742985064096

    $21.00 $13.99

  • GROCO 1-1/4" 90 Degree Hose Thru-Hull Fitting [HTHC-1250-S]

    GROCO GROCO 1-1/4" 90 Degree Hose Thru-Hull Fitting [HTHC-1250-S]

    1-1/4" 90 Degree Hose Thru-Hull Fitting Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed 647B Specifications: Hose Size: 1-1/4" Material: Stainless Steel Box Dimensions: 5"H x 6"W x 6"L WT: 1.15 lbs UPC: 742985139305

    $104.00 $67.99

  • GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500]

    GROCO GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500]

    Bronze Hose Barb Thru-Hull Fitting - 1-1/2" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1-1/2" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 1.25 lbs UPC: 742985005242

    $73.00 $47.99

  • GROCO 1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1250-W]

    GROCO GROCO 1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1250-W]

    1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 1-1/4" Material: Bronze Box Dimensions: 3"H x 3"W x 6"L WT: 1.8 lbs UPC: 742985141766

    $84.00 $54.99

  • Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP5PLB]

    Perko Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP5PLB]

    Perko 3/4" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neckis threaded to approximately 3/8 inch from flange.Cast bronze.Technical Information: Pipe Size Inches: 3/4 Mouting Hole Diameter Inches: 1 Maximum Hull Thickness Inches: 1-1/2 O.D. Flange Inches: 1-7/8 Model Number: 0322DP5PLB Ship Weight: 2.4/11.6 lbs. MADE IN THE USA Specifications: Hose Size: 3/4" Material: Bronze Box Dimensions: 2"H x 2"W x 4"L WT: 0.25 lbs UPC: 085226035951

    $66.76 $29.99

  • Perko Thru-Hull Scupper f/Mounting Through Transom [0323DP]

    Perko Perko Thru-Hull Scupper f/Mounting Through Transom [0323DP]

    Thru-Hull Scupper for Mounting Through TransomFeatures: Molded White Polymer Soft Black Flapper Nut and Mounting Hardware Included Specifications: Hose Size: 1-1/2" Mounting Hole Diameter: 1-7/8" Max. Hole Thickness: 2-1/8" O.D. Flange: 2-7/8" Specifications: Hose Size: 1-1/2" Material: Plastic Box Dimensions: 4"H x 6"W x 10"L WT: 0.45 lbs UPC: 085226028502

    $60.09 $36.99

  • GROCO 3/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-750-WS]

    GROCO GROCO 3/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-750-WS]

    3/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications: Hose Size: 3/4" Material: Stainless Steel Box Dimensions: 3"H x 3"W x 8"L WT: 0.75 lbs UPC: 742985175167

    $59.00 $38.99

  • GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" [HTH-1125-S]

    GROCO GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" [HTH-1125-S]

    Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Hose Size: 1-1/8" Material: Stainless Steel Box Dimensions: 3"H x 3"W x 5"L WT: 0.7 lbs UPC: 742985138995

    $42.00 $27.99

  • GROCO 1" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1000-W]

    GROCO GROCO 1" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1000-W]

    1" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 1" Material: Bronze Box Dimensions: 3"H x 3"W x 6"L WT: 1 lbs UPC: 742985141759

    $52.00 $33.99

  • Perko 3/4" Intake Strainer Bronze MADE IN THE USA [0065DP5PLB]

    Perko Perko 3/4" Intake Strainer Bronze MADE IN THE USA [0065DP5PLB]

    Perko 3/4" Intake Strainer BronzeCast bronzeMachined SlotsTechnical Information: Maximum Pipe Size Inches: 3/4 Maximum Hull Thickness Inches: 2-3/16 Dimensions Strainer Inches: 3 x 4 Model Number: 0065DP5PLB Ship Weight: 5.2/10.6 Screw Size: #8 Spare Flanged Nut: 0075

    $109.63 $50.99

  • GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 5/8" [HTH-625-S]

    GROCO GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 5/8" [HTH-625-S]

    Stainless Steel Hose Barb Thru-Hull Fitting - 5/8" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Hose Size: 5/8" Material: Stainless Steel Box Dimensions: 3"H x 3"W x 4"L WT: 0.5 lbs UPC: 742985138971

    $34.00 $22.99

  • Attwood White Plastic Thru-Hull Fitting - 1-1/8" Inner Diameter [3874-3]

    Attwood Marine Attwood White Plastic Thru-Hull Fitting - 1-1/8" Inner Diameter [3874-3]

    White Plastic Thru-Hull Fitting - 1-1/8" Inner DiameterThis thru-hull fitting is made with a durable, thermoplastic construction, which prevents electrolysis.Specifications: Hose Size: (inch) 1-1/8" Inner diameter Stem Length: (inch) 3-1/4" Max Hull Thickness: (inch) 1-1/4" Flange Diameter: (inch) 2-1/4" Installation Hole Size: (inch) 1-3/8" Drain Plug: (inch) 7/8" Construction: Polypropylene Color: White  *Plastic thru-hull connectors are designed for installation above the water line only Specifications: Hose Size: 1-1/8" Material: Plastic Box Dimensions: 3"H x 4"W x 7"L WT: 0.25 lbs UPC: 022697387431 Quick Guide (pdf)

    $9.99 $7.99

  • Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/8" Inner Diameter [66549-3]

    Attwood Marine Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/8" Inner Diameter [66549-3]

    Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/8" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat?Rugged Stainless Construction: Cast from certified Enhanced 316 Stainless Steel alloy for strength and lifetime corrosion-resistance All visible areas are polished to a mirror finish, then passivate each part for additional protection Thick steel sidewalls withstand continual stress and hose flexing Faster, Simpler Installation: Each Thru-Hull is available with a new silicone gasket A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal All models have wrench flats or an end notch to hold as a gripping surface; one installer can tighten all connections from inside the hull The barbed tail ends provide plenty of room to hold multiple clamps Stainless Steel Straight Thru-Hulls, BarbedStandard Thread model has a full-length thread for thick hulls and easy tighteningSpecifications: Hose size: (inch) 1-1/8" inner diameter Flange Diameter: (inch) 2-1/4" Thread O.D. (outside diameter): (inch) 1-3/8"  Thread Length: (inch) 2-3/8" Barb Length: (inch) 1-1/4" Total Length: (inch) 3-7/8" Install Hole Saw Size: (inch) 1-1/4"  Thread NPSM: (inch) 1" Max Hull Thickness: (inch) 1-3/4" *Stainless Steel Thru-Hull Connectors are designed for installation above the water line only Specifications: Hose Size: 1-1/8" Material: Stainless Steel Box Dimensions: 2"H x 4"W x 7"L WT: 0.85 lbs UPC: 022697665492 Quick Guide (pdf)

    $42.28 $30.99

  • GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" [HTH-750-S]

    GROCO GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" [HTH-750-S]

    Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Hose Size: 3/4" Material: Stainless Steel Box Dimensions: 3"H x 3"W x 4"L WT: 0.5 lbs UPC: 742985138988

    $34.00 $22.99

  • GROCO 1-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-1500-W]

    GROCO GROCO 1-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-1500-W]

    1-1/2" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600 Bronze Specifications:Thread NPS: 1-1/2" Specifications: Hose Size: 1-1/2" Material: Bronze Box Dimensions: 5"H x 6"W x 7"L WT: 2.2 lbs UPC: 742985063921

    $96.00 $62.99

  • Perko 1" Intake Strainer Bronze MADE IN THE USA [0065DP6PLB]

    Perko Perko 1" Intake Strainer Bronze MADE IN THE USA [0065DP6PLB]

    Perko 1" Intake Strainer BronzeCast bronzeMachined SlotsTechnical Information: Maximum Pipe Size Inches: 1 Maximum Hull Thickness Inches: 2-1/2 Dimensions Strainer Inches: 3 x 4 Model Number: 0065DP6PLB Ship Weight: 6.4/12.4 Screw Size: #8 Spare Flanged Nut: 0075

    $141.26 $62.99

  • GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/8" [HTH-1125]

    GROCO GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/8" [HTH-1125]

    Bronze Hose Barb Thru-Hull Fitting - 1-1/8" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1-1/8" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 0.7 lbs UPC: 742985103979

    $49.00 $31.99

  • GROCO 2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-2000-W]

    GROCO GROCO 2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-2000-W]

    2" Bronze High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 2" Material: Bronze Box Dimensions: 4"H x 4"W x 5"L WT: 1.7 lbs UPC: 742985142909

    $102.00 $66.99

  • Perko 5/8" Thru-Hull Fitting f/ Hose Bronze MADE IN THE USA [0350004DPP]

    Perko Perko 5/8" Thru-Hull Fitting f/ Hose Bronze MADE IN THE USA [0350004DPP]

    Perko 5/8" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approximately 3/16 inch from flange. Cast bronze, plain or chromed brass Regular or short length versions Regular Length- Fits maximum hull thickness up to 2 inchesShort Length- For thin hull sections up to 5/8 inches maximumTechnical Information Regular Length - Plain Bronze: Hose Size Inches: 5/8 Mounting Hole Diameter Inches: 13/16 Maximum Hull Thickness Inches: 1-1/16 O.D. Flange Inches: 1-1/2 Model Number: 0350004DPP Ship Weight: 1.9/3.0 lbs. Made in the USA Specifications: Hose Size: 5/8" Material: Bronze Box Dimensions: 1"H x 1"W x 4"L WT: 0.15 lbs UPC: 085226036064

    $62.46 $38.99

  • Perko 3/4" Thru-Hull Fitting f/ Hose Chrome Plated Bronze MADE IN THE USA [0350005DPC]

    Perko Perko 3/4" Thru-Hull Fitting f/ Hose Chrome Plated Bronze MADE IN THE USA [0350005DPC]

    Perko 3/4" Thru-Hull Connection f/ use with Hose Chrome PlatedBronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approximately 3/16 inch from flange. Cast bronze, plain or chromed brass Regular or short length versions Regular Length- Fits maximum hull thickness up to 2 inchesShort Length- For thin hull sections up to 5/8 inches maximumTechnical Information Regular Length - Chrome Plated Bronze: Hose Size Inches: 1/4" Mounting Hole Diameter Inches: 1" Maximum Hull Thickness Inches: 1-5/8" O.D. Flange Inches: 1-7/8" Model Number: 0350005DPC Ship Weight: 2.9/5.6 lbs. Made in the USA Specifications: Hose Size: 3/4" Material: Bronze Box Dimensions: 2"H x 2"W x 4"L WT: 0.2 lbs UPC: 085226028458

    $82.67 $50.99

  • Perko 1-1/8" Thru-Hull Fitting f/ Hose Bronze Made in the USA [035006ADPP]

    Perko Perko 1-1/8" Thru-Hull Fitting f/ Hose Bronze Made in the USA [035006ADPP]

    Perko 1-1/8" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck is threaded to approximately 3/16 inch from flange. Cast bronze, plain or chromed brass Regular or short length versons Regular Length- Fits maximum hull thickness up to 2 inchesShort Length- For thin hull sections up to 5/8 inches maximumRegular Length - Plain Bronze Technical Information: Hose Size Inches: 1-1/8 Mounting Hole Diameter Inches: 1-5/16 Maximum Hull Thickness Inches: 1-3/4 O.D. Flange Inches: 2-1/4 Model Number: 035006ADPP Ship Weight: 4.7/9.0 lbs. Made in the USA Specifications: Hose Size: 1-1/8" Material: Bronze Box Dimensions: 2"H x 2"W x 5"L WT: 0.85 lbs UPC: 085226036125

    $88.08 $53.99

  • GROCO 1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1250-WS]

    GROCO GROCO 1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1250-WS]

    1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" UL Listed 647B BSPP and Stainless Steel models available Specifications: Hose Size: 1-1/4" Material: Stainless Steel Box Dimensions: 5"H x 5"W x 5"L WT: 1.25 lbs UPC: 742985146488

    $67.00 $43.99

  • Perko 1" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP6PLB]

    Perko Perko 1" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP6PLB]

    Perko 1" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neckis threaded to approximately 3/8 inch from flange.Cast bronze.Technical Information: Pipe Size Inches: 1 Mouting Hole Diameter Inches: 1-5/16 Maximum Hull Thickness Inches: 1-7/8 O.D. Flange Inches: 2-3/16 Model Number: 0322DP6PLB Ship Weight: 4.1/18.0 lbs. MADE IN THE USA Specifications: Hose Size: 1" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 0.75 lbs UPC: 085226035968

    $87.56 $39.99

  • Perko 1-1/2" Thru-Hull Fitting f/ Hose Bronze Made in the USA [0350008DPP]

    Perko Perko 1-1/2" Thru-Hull Fitting f/ Hose Bronze Made in the USA [0350008DPP]

    Perko 1-1/2" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approximately 3/16 inch from flange. Cast bronze, plain or chromed brass Regular or short length versons Regular Length- Fits maximum hull thickness up to 2 inchesShort Length- For thin hull sections up to 5/8 inches maximumRegular Length - Plain Bronze Technical Information: Hose Size Inches: 1-1/2 Mounting Hole Diameter Inches: 1-7/8 Maximum Hull Thickness Inches: 1-7/8 O.D. Flange Inches: 3-1/8 Model Number: 0350008DPP Ship Weight: 8.3/15.9 lbs. Made in the USA Specifications: Hose Size: 1-1/2" Material: Bronze Box Dimensions: 3"H x 3"W x 5"L WT: 1.55 lbs UPC: 085226036163

    $164.41 $100.99

  • GROCO Bronze Hose Barb Thru-Hull Fitting - 5/8" [HTH-625]

    GROCO GROCO Bronze Hose Barb Thru-Hull Fitting - 5/8" [HTH-625]

    Bronze Hose Barb Thru-Hull Fitting - 5/8" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 5/8" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 0.5 lbs UPC: 742985062269

    $27.00 $17.99

  • Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze Extra Long - Max Hull 5" Thick [0348DP5PLB]

    Perko Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze Extra Long - Max Hull 5" Thick [0348DP5PLB]

    Extra Long Thru-Hull Connection for Use with PipePart #: 0348DP5PLBFlange is machined to fit the hull and grooved to retain bedding compound neck is threaded to approximately 3/8 inch from flange.Material:Cast Bronze Specifications: Hose Size: 3/4" Material: Bronze Box Dimensions: 2"H x 2"W x 6"L WT: 0.8 lbs UPC: 085226342370

    $118.72 $72.99

  • Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/2" Inner Diameter [66551-3]

    Attwood Marine Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/2" Inner Diameter [66551-3]

    Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/2" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat?Rugged Stainless Construction: Cast from certified Enhanced 316 Stainless Steel alloy for strength and lifetime corrosion-resistance All visible areas are polished to a mirror finish, then passivate each part for additional protection Thick steel sidewalls withstand continual stress and hose flexing Faster, Simpler Installation: Each Thru-Hull is available with a new silicone gasket A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal All models have wrench flats or an end notch to hold as a gripping surface; one installer can tighten all connections from inside the hull The barbed tail ends provide plenty of room to hold multiple clamps Stainless Steel Straight Thru-Hulls, BarbedStandard Thread model has a full-length thread for thick hulls and easy tighteningSpecifications: Hose size: (inch) 1-1/2" inner diameter Flange Diameter: (inch) 3" Thread O.D. (outside diameter): (inch) 1-7/8"  Thread Length: (inch) 2-1/2" Barb Length: (inch) 1-1/4" Total Length: (inch) 4-1/8" Install Hole Saw Size: (inch) 2"  Thread NPSM: (inch) 1-1/2" Max Hull Thickness: (inch) 1-7/8" *Stainless Steel Thru-Hull Connectors are designed for installation above the water line only Specifications: Hose Size: 1-1/2" Material: Stainless Steel Box Dimensions: 3"H x 5"W x 8"L WT: 1.55 lbs UPC: 022697665515 Quick Guide (pdf)

    $61.56 $44.99

  • GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1" [HTH-1000-S]

    GROCO GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1" [HTH-1000-S]

    Stainless Steel Hose Barb Thru-Hull Fitting - 1" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Hose Size: 1" Material: Stainless Steel Box Dimensions: 3"H x 3"W x 5"L WT: 0.65 lbs UPC: 742985139039

    $41.00 $26.99

  • GROCO Bronze Hose Barb Thru-Hull Fitting - 2" [HTH-2000]

    GROCO GROCO Bronze Hose Barb Thru-Hull Fitting - 2" [HTH-2000]

    Bronze Hose Barb Thru-Hull Fitting - 2" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 2" Material: Bronze Box Dimensions: 4"H x 4"W x 5"L WT: 1.65 lbs UPC: 742985097421

    $95.00 $62.99

  • GROCO 2-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-2500-W]

    GROCO GROCO 2-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-2500-W]

    2-1/2" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600 Bronze Specifications:Thread NPS: 2-1/2" Specifications: Hose Size: 2-1/2" Material: Bronze Box Dimensions: 4"H x 4"W x 6"L WT: 1.5 lbs UPC: 742985172227

    $252.00 $164.99

  • Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 5/8" Inner Diameter [66546-3]

    Attwood Marine Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 5/8" Inner Diameter [66546-3]

    Stainless Steel Thru-Hull Standard Straight Barbed - 5/8" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat?Rugged Stainless Construction: Cast from certified Enhanced 316 Stainless Steel alloy for strength and lifetime corrosion-resistance All visible areas are polished to a mirror finish, then passivate each part for additional protection Thick steel sidewalls withstand continual stress and hose flexing Faster, Simpler Installation: Each Thru-Hull is available with a new silicone gasket A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal All models have wrench flats or an end notch to hold as a gripping surface; one installer can tighten all connections from inside the hull The barbed tail ends provide plenty of room to hold multiple clamps Stainless Steel Straight Thru-Hulls, BarbedStandard Thread model has a full-length thread for thick hulls and easy tighteningSpecifications: Hose size: (inch) 5/8" inner diameter Flange Diameter: (inch) 1-7/8" Thread O.D. (outside diameter): (inch) 1"  Thread Length: (inch) 2" Barb Length: (inch) 1-1/4" Total Length: (inch) 3-3/4" Install Hole Saw Size: (inch) 1-1/8"  Thread NPSM: (inch) 3/4" Max Hull Thickness: (inch) 1-1/16" *Stainless Steel Thru-Hull Connectors are designed for installation above the water line only Specifications: Hose Size: 5/8" Material: Stainless Steel Box Dimensions: 2"H x 3"W x 6"L WT: 0.5 lbs UPC: 022697665461 Quick Guide (pdf)

    $27.99 $21.99

  • Attwood White Plastic 90 Degree Thru-Hull Connector - 3/4" Inner Diameter [3877-3]

    Attwood Marine Attwood White Plastic 90 Degree Thru-Hull Connector - 3/4" Inner Diameter [3877-3]

    White Plastic 90 Degree Thru-Hull Connector - 3/4" Inner Diameter90° Thru-Hulls are ideal for tight installations, such as livewell overflow drains. The angled design also eliminates hose kinking.Specifications: Fits Hose Size: (inch) 3/4"inner diameter Max Hull Thickness: (inch) 1" Flange Diameter: (inch) 1-1/2" Installation Hole Size: (inch) 1" Drain Plug: (inch) 1/2" Color: White *Plastic Thru-Hull Connectors are designed for installation above the water line only Specifications: Hose Size: 3/4" Material: Plastic Box Dimensions: 1"H x 2"W x 3"L WT: 0.2 lbs UPC: 022697387738 Quick Guide (pdf)

    $9.99 $7.99

  • GROCO 1" 90 Degree Hose Thru-Hull Fitting [HTHC-1000-S]

    GROCO GROCO 1" 90 Degree Hose Thru-Hull Fitting [HTHC-1000-S]

    1" 90 Degree Hose Thru-Hull Fitting Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed 647B Specifications: Hose Size: 1" Material: Stainless Steel Box Dimensions: 5"H x 5"W x 5"L WT: 1.2 lbs UPC: 742985139299

    $68.00 $44.99

  • GROCO Bronze Hose Barb Thru-Hull Fitting - 3/4" [HTH-750]

    GROCO GROCO Bronze Hose Barb Thru-Hull Fitting - 3/4" [HTH-750]

    Bronze Hose Barb Thru-Hull Fitting - 3/4" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 3/4" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 0.5 lbs UPC: 742985005211

    $32.00 $20.99

  • GROCO 1-1/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1250-WS]

    GROCO GROCO 1-1/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1250-WS]

    1-1/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications: Hose Size: 1-1/4" Material: Stainless Steel Box Dimensions: 5"H x 6"W x 7"L WT: 1.8 lbs UPC: 742985174894

    $78.00 $50.99

  • GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500-S]

    GROCO GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500-S]

    Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Hose Size: 1-1/2" Material: Stainless Steel Box Dimensions: 5"H x 5"W x 5"L WT: 1.25 lbs UPC: 742985139015

    $84.00 $54.99

  • GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" [HTH-500-S]

    GROCO GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" [HTH-500-S]

    Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Hose Size: 1/2" Material: Stainless Steel Box Dimensions: 3"H x 3"W x 4"L WT: 0.45 lbs UPC: 742985142121

    $39.00 $25.99

  • Perko 1-1/8" Thru-Hull Fitting f/ Hose Chrome Plated Bronze Made in the USA [035006ADPC]

    Perko Perko 1-1/8" Thru-Hull Fitting f/ Hose Chrome Plated Bronze Made in the USA [035006ADPC]

    Perko 1-1/8" Thru-Hull Connection f/ use with Hose Chrome Plated BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approximately 3/16 inch from flange. Cast bronze, plain or chromed brass Regular or short length versons Regular Length- Fits maximum hull thickness up to 2 inchesShort Length- For thin hull sections up to 5/8 inches maximumRegular Length - Chrome Plated Bronze Technical Information: Hose Size Inches: 1-1/8 Mounting Hole Diameter Inches: 1-5/16 Maximum Hull Thickness Inches: 1-3/4 O.D. Flange Inches: 2-1/4 Model Number: 035006ADPC Ship Weight: 4.6/8.9 lbs. Made in the USA Specifications: Hose Size: 1-1/8" Material: Bronze Box Dimensions: 3"H x 3"W x 5"L WT: 0.9 lbs UPC: 085226036118

    $113.32 $69.99

  • GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250-S]

    GROCO GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250-S]

    Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Hose Size: 1-1/4" Material: Stainless Steel Box Dimensions: 3"H x 3"W x 5"L WT: 1 lbs UPC: 742985139008

    $69.00 $45.99

  • GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250]

    GROCO GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250]

    Bronze Hose Barb Thru-Hull Fitting - 1-1/4" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1-1/4" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 1.05 lbs UPC: 742985005235

    $58.00 $37.99

  • GROCO Bronze Hose Barb Thru-Hull Fitting - 1" [HTH-1000]

    GROCO GROCO Bronze Hose Barb Thru-Hull Fitting - 1" [HTH-1000]

    Bronze Hose Barb Thru-Hull Fitting - 1" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 0.7 lbs UPC: 742985005228

    $44.00 $28.99

  • Perko 1-1/4" Thru-Hull Fitting f/Hose Bronze MADE IN THE USA [0350007DPP]

    Perko Perko 1-1/4" Thru-Hull Fitting f/Hose Bronze MADE IN THE USA [0350007DPP]

    Perko 1-1/4" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approximately 3/16 inch from flange. Cast bronze, plain or chromed brass Regular or short length versions Regular Length- Fits maximum hull thickness up to 2 inchesShort Length- For thin hull sections up to 5/8 inches maximumTechnical Information Regular Length - Plain Bronze: Hose Size Inches: 1-1/4 Mounting Hole Diameter Inches: 1-5/8 Maximum Hull Thickness Inches: 1-7/8 O.D. Flange Inches: 2-3/4 Model Number: 0350007DPP Ship Weight: 6.6/12.6 lbs. Made in the USA Specifications: Hose Size: 1-1/4" Material: Bronze Box Dimensions: 2"H x 2"W x 6"L WT: 1.25 lbs UPC: 085226028366

    $133.88 $81.99

  • Perko 1-1/2" Thru-Hull Fitting f/ Hose Chrome Plated Bronze Made in the USA [0350008DPC]

    Perko Perko 1-1/2" Thru-Hull Fitting f/ Hose Chrome Plated Bronze Made in the USA [0350008DPC]

    Perko 1-1/2" Thru-Hull Connection f/ use with Hose Chrome Plated BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approximately 3/16 inch from flange. Cast bronze, plain or chromed brass Regular or short length versions Regular Length- Fits maximum hull thickness up to 2 inchesShort Length- For thin hull sections up to 5/8 inches maximumTechnical Information Regular Length - Chrome Plated Bronze: Hose Size Inches: 1-1/2 Mounting Hole Diameter Inches: 1-7/8 Maximum Hull Thickness Inches: 1-7/8 O.D. Flange Inches: 3-1/8 Model Number: 0350008DPC Ship Weight: 8.2/16.1 lbs. Made in the USA Specifications: Hose Size: 1-1/2" Material: Bronze Box Dimensions: 3"H x 3"W x 5"L WT: 1.5 lbs UPC: 085226036156

    $189.93 $116.99

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